Error encountered when using `apt-get install` in Ubuntu14.04 LTS

[AnnabellChan]

*@*:~$ sudo apt-get install mutate 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  mutate
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/707 kB of archives.
After this operation, 936 kB of additional disk space will be used.
Selecting previously unselected package mutate.
(Reading database ... 352637 files and directories currently installed.)
Preparing to unpack .../mutate_2.3-b~trusty_i386.deb ...
Unpacking mutate (2.3-b~trusty) ...
Setting up mutate (2.3-b~trusty) ...
/var/lib/dpkg/info/mutate.postinst: 15: /var/lib/dpkg/info/mutate.postinst: /usr/lib/i686*/qt5/bin/qmake: not found